/Engine/Plugins/Online/OnlineFramework/Source/Hotfix/Public/UpdateManager.h
Possible outcomes at the end of an update check
enum EUpdateCompletionStatus { UpdateUnknown, UpdateSuccess, UpdateSuccess_NoChange, UpdateSuccess_NeedsReload, UpdateSuccess_NeedsRelaunch, UpdateSuccess_NeedsPatch, UpdateFailure_PatchCheck, UpdateFailure_HotfixCheck, UpdateFailure_NotLoggedIn, }